1
Stanley O Hutchison, Glenn W Anderson: Steam injection system for use in a well. Chevron Research Company, R L Freeland Jr, Edward J Keeling, July 11, 1978: US04099563 (99 worldwide citation)

A steam injection system including a steam deflector connectable into a tubing string which steam deflector provides for selectively passing steam through the tubing string to the bottom thereof or diverting steam from inside the tubing string out into the wall liner-tubing annulus and in a directio ...


2
Glenn W Anderson, Stanley O Hutchison: Concentric steaming string downhole apparatus. Chevron Research Company, G W Wasson, Edward J Keeling, August 23, 1983: US04399865 (14 worldwide citation)

A downhole concentric tubing string is disclosed for use in distributing steam, or other hot fluids, to separated subsurface formations along a well bore. The apparatus includes elements for deflecting the steam from one string into the annulus of a cased well for injection through openings into the ...


3
Stanley O Hutchison, Glenn W Anderson: Slant hole foam cleanout. Chevron Research Company, R L Freeland Jr, G W Wasson, February 12, 1980: US04187911 (10 worldwide citation)

A method for removing material from directional wells using centralized tubing to circulate foam in the well at a velocity in excess of 30 feet per minute.


4
Stanley O Hutchison, Glenn W Anderson: Method and apparatus for placing a cement thermal packer. Chevron Research Company, George W Wasson, Edward J Keeling, October 4, 1983: US04407369 (7 worldwide citation)

A method and apparatus for placing a cement thermal packer is disclosed. The cementing collar of the present invention is assembled into a stream or hot fluid injection string and positioned along the well in the location where the packer is to be placed. Cement material for the packer is pumped dow ...


5
Stanley O Hutchison, Glenn W Anderson, Gordon L Newby: Impression material for use in an impression packer. Chevron Research Company, R L Freeland Jr, Edward J Keeling, June 15, 1976: US03963654 (7 worldwide citation)

An impression packer for use in obtaining impressions in wells and having an impression sleeve formed of a mixture of partially curved synthetic nitrile rubber, natural rubber smoked sheet, silica powder and rubber processing oil.


6
Stanley O Hutchison, Glenn W Anderson: Steam deflector for use in a well. Chevron Research Company, R L Freeland Jr, Edward J Keeling, March 28, 1978: US04081032 (7 worldwide citation)

A steam deflector connectable into a tubing string is provided for selectively passing steam through the tubing string to the bottom thereof or diverting steam from inside the tubing string out into the well liner-tubing annulus without causing a vortex effect and in a direction concentric with and ...


7
Stanley O Hutchison, Glenn W Anderson, Gordon L Newby: Material for impression packer. Chevron Research Company, R L Freeland Jr, E J Keeling, November 7, 1978: US04124547 (3 worldwide citation)

A method of forming an impression sleeve on an impression packer for use in obtaining impressions in wells, the impression sleeve being formed of a mixture of partially cured synthetic nitrile rubber, natural rubber smoked sheet, silica powder and rubber processing oil.


8
Glenn W Anderson, Odell C Masters: Wellhead expansion assembly. Chevron Research Company, Edward J Keeling, April 15, 1986: US04582132 (1 worldwide citation)

A wellhead expansion assembly for wells having a plurality of tubes carrying hot fluids into and out of a well. Thermal expansion of the tubing is a accommodated by provision of an expansion chamber for termination of each separate string of tubing. Expansion chambers are connected in series, female ...


9
Glenn W Anderson, Stanley O Hutchison: Dome-type packoff wellhead. Chevron Research Company, G W Wasson, Edward J Keeling, August 30, 1983: US04401160 (1 worldwide citation)

A wellhead assembly for wells having tubing carrying hot fluids into or out of the well. The tubing is subject to elongation due to thermal expansion from a fixed portion within the well. The present wellhead accommodates the thermal elongation and provides a noncontacting connection to the tubing f ...


10
Stanley O Hutchison, Glenn W Anderson: Method of obtaining permeability information from an underground formation penetrated by a well. Chevron Research Company, R L Freeland Jr, Edward J Keeling, June 1, 1976: US03960014

A method of using an impression element in a tubular member positioned in a well and having a flow opening located under liquid to obtain information on the effective connection to permeability of the flow opening with the formation penetrated by the well.